import 'package:flutter/material.dart';

class DemoColumn extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Row deom'),
      ),
      body: Column(
        children: const <Widget>[
          Text('第一个元素'),
          Text('第二个元素'),
          Text('第三个元素'),
          FlutterLogo(),
          Icon(Icons.sentiment_very_satisfied),
        ],
        crossAxisAlignment: CrossAxisAlignment.end,
        mainAxisAlignment:MainAxisAlignment.spaceAround,
        mainAxisSize: MainAxisSize.min,
        textDirection:TextDirection.ltr
      )
    );
  }
}
